389454913 has 16 divisors (see below), whose sum is σ = 421273600. Its totient is φ = 358842960.

The previous prime is 389454907. The next prime is 389454917. The reversal of 389454913 is 319454983.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389454913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389454917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220528 + ... + 222286.

It is an arithmetic number, because the mean of its divisors is an integer number (26329600).

Almost surely, 2^389454913 is an apocalyptic number.

It is an amenable number.

389454913 is a deficient number, since it is larger than the sum of its proper divisors (31818687).

389454913 is a wasteful number, since it uses less digits than its factorization.

389454913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092.

The product of its digits is 466560, while the sum is 46.

The square root of 389454913 is about 19734.6120559792. The cubic root of 389454913 is about 730.2738154653.

The spelling of 389454913 in words is "three hundred eighty-nine million, four hundred fifty-four thousand, nine hundred thirteen".